//
// Copyright (c) WhatsApp Inc. and its affiliates.
// All rights reserved.
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
//

import UIKit

class WebPManager {
    static let shared: WebPManager = WebPManager()

    func isAnimated(webPData data: Data) -> Bool {
        guard let decoder = YYImageDecoder(data: data, scale: 1.0) else { return false }

        return decoder.frameCount > 1
    }

    func decode(webPData data: Data) -> UIImage? {
        guard let decoder = YYImageDecoder(data: data, scale: 1.0) else { return nil }

        return decoder.frame(at: 0, decodeForDisplay: true)?.image
    }

    func encode(pngData data: Data) -> Data? {
        guard let encoder = YYImageEncoder(type: YYImageType.webP) else { return nil }

        encoder.addImage(with: data, duration: 0.0)
        return encoder.encode()
    }
}